QNAP ES1686dc Series User Manual

Also see for ES1686dc Series: User guide

QNAP ES1686dc Series User Manual Manual pdf 10 page image

LED Status DescriptionSystem power Blue System powered onSystem status Green System operating correctlyRed • There are system errors or warnings (e.g. degradedRAID mode, memory failure, fan/power supply failure,system/disk temperature too high, storage poolreaching threshold value) recorded in the system logsof the QES to notify the system administrator. Theerrors need to be corrected.• The system is performing takeover. The dual active-active controller system enables a single controller totake over the pool disk resources owned by the othercontroller in the event of a controller failure. Takeoverscan be initiated manually or be set up with theautomatic system failover protection. For moreinformation, refer to the QES user guide.• Power supply unit unpluggedDrive status Green Drive can be accessedFlashing green slowly The Locate command, which helps identify the drive, isbeing executed in the Storage Manager on QES.Red Drive read/write errorOff Drive not installedDrive activity Flashing green continuouslyor slowlyNo drive activityFlashing green High activity on drive or drive being configured as part ofan arrayFront Panel OLED DisplayThe OLED display provides a quick understanding of the storage controllers and main component status.For details on the location of the OLED display, see Front Panel.Icon name Icon DescriptionController powerstatus• Icon lit: Both controllers powered on• Icon flashing: Both controllers booting• Icon lit: Only controller A powered on• Icon flashing: Controller A booting• Icon lit: Only controller B powered on• Icon flashing: Controller B bootingES1686dc User GuideProduct Overview 9